(278361) 2007JJ43
This object has a more recent orbit available here
Object
| Object | (278361) 2007JJ43 |
| Diameter(1) | 558 km |
| Dynamic class(1) | otherTNO |
| Absolute magnitude | 4.50 |
| G slop | 0.15 |
(1) Data from the johnston archive list.
Orbital elements
| Epoch (Julian date) | 2458600.5 |
| Semi major axis | 48.436382 ± 0.004229 au |
| Eccentricity | 0.166765484 ± 0.000044476 |
| Inclination | 12.021655749 ± 0.000601689 ° |
| Longitude of ascending node | 272.582639 ± 0.003675 ° |
| Argument of perihelia | 6.955651 ± 0.019886 ° |
| Mean anomaly | 341.657468 ± 0.013115 ° |
| Orbital period | 337.11 yr |
Ephemeris & Observations
| Ephemeris version | NIMAv3 |
| Observation file |
omc_ast_NIMAv3.txt |
| bsp file | 278361_2007JJ43_nima_v3.bsp |
| Date of first observation | 2002-05-10 |
| Date of last observation | 2017-07-31 |
| Number of observations used in the fit | 176 |
| Number of rejected observations | 4 |
| Number of DES observations | 0 |
| Number of MPC observations | 159 |
| Number of unpublished observations | 21 |
| RMS of observations | 0.208 arcsec |
Residuals
Residuals in right ascension and declination compared to NIMAv3 ephemeris.
Colours indicate the estimated precision in arcsec used as weights in the fitting process.
Orbit quality
| date | σα (arcsec) | σδ (arcsec) |
| 2018-01 | 0.204 | 0.071 |
| 2018-07 | 0.165 | 0.080 |
| 2019-01 | 0.266 | 0.084 |
| 2019-07 | 0.227 | 0.093 |
| 2020-01 | 0.338 | 0.097 |
| 2020-07 | 0.300 | 0.108 |
| 2021-01 | 0.418 | 0.113 |
| 2021-07 | 0.384 | 0.124 |
| 2022-01 | 0.507 | 0.130 |
Ephemeris comparison
Difference between NIMAv3 and JPL4 in right ascension (weighted by cos δ) and in declination.
Gray area represents the 1-σ uncertainty of NIMA ephemeris. Green dots represent the DES observations.